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deBoer RJ, Febbraro M, Bardayan DW, Boomershine C, Brandenburg K, Brune C, Coil S, Couder M, Derkin J, Dede S, Fang R, Fritsch A, Gula A, Gyürky G, Hackett B, Hamad G, Jones-Alberty Y, Kelmar R, Manukyan K, Matney M, McDonaugh J, Meisel Z, Moylan S, Nattress J, Odell D, O'Malley P, Paris MW, Robertson D, Shahina, Singh N, Smith K, Smith MS, Stech E, Tan W, Wiescher M. Measurement of the ^{13}C(α, n_{0})^{16}O Differential Cross Section from 0.8 to 6.5 MeV. Phys Rev Lett 2024; 132:062702. [PMID: 38394565 DOI: 10.1103/physrevlett.132.062702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 09/05/2023] [Accepted: 01/17/2024] [Indexed: 02/25/2024]
Abstract
The cross section of the ^{13}C(α,n)^{16}O reaction is needed for nuclear astrophysics and applications to a precision of 10% or better, yet inconsistencies among 50 years of experimental studies currently lead to an uncertainty of ≈15%. Using a state-of-the-art neutron detection array, we have performed a high resolution differential cross section study covering a broad energy range. These measurements result in a dramatic improvement in the extrapolation of the cross section to stellar energies potentially reducing the uncertainty to ≈5% and resolving long standing discrepancies in higher energy data.
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Affiliation(s)
- R J deBoer
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - M Febbraro
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - D W Bardayan
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - C Boomershine
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Brandenburg
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - C Brune
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - S Coil
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - M Couder
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J Derkin
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - S Dede
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - R Fang
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - A Fritsch
- Department of Physics, Gonzaga University, Spokane, Washington 99258, USA
| | - A Gula
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Gy Gyürky
- Institute for Nuclear Research (Atomki), P.O.B 51, H-4001 Debrecen, Hungary
| | - B Hackett
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - G Hamad
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - Y Jones-Alberty
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - R Kelmar
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - K Manukyan
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - M Matney
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J McDonaugh
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Z Meisel
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - S Moylan
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - J Nattress
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - D Odell
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - P O'Malley
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - M W Paris
- Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - D Robertson
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Shahina
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - N Singh
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - K Smith
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - M S Smith
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - E Stech
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - W Tan
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - M Wiescher
- Department of Physics and Astronomy, University of Notre Dame, Notre Dame, Indiana 46556, USA
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Xu T, Karschnia P, Cadilha B, Dede S, Lorenz M, Seewaldt N, Nikolaishvili E, Müller K, Blobner J, Teske N, Langer S, Obeck H, Lorenzini T, Mulazzani M, Zhang W, Ishikawa-Ankerhold H, Buchholz VR, Subklewe M, Thon N, Straube A, Tonn J, Kobold S, von Baumgarten L. OS03.4.A In vivo dynamics and anti-tumor effects of EpCAM-directed CAR T-cells against brain metastases from lung cancer. Neuro Oncol 2022. [DOI: 10.1093/neuonc/noac174.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Lung cancer patients are at a particularly high risk for brain metastases, and a considerable number of affected patients succumb due to their intracranial disease. Chimeric Antigen Receptor (CAR) T-cells emerged as a powerful class of cell-based immunotherapy for hematological malignancies. However, it remains unclear whether CAR T-cells also represent a safe and effective therapeutic option for brain metastases.
Material and Methods
A fully syngeneic orthotopic cerebral metastasis model in mice was established by combining a chronic cranial window with repetitive intracerebral two-photon laser scanning microscopy. This approach enabled the in vivo characterization of red fluorescent CAR T-cells and tumor cells on a single-cell level over weeks. Intraparenchymal injection of Lewis lung carcinoma cells (expressing the tumor cell-antigen EpCAM) was performed, and CAR T-cells directed against EpCAM (EpCAMCAR T-cells) were injected into the adjacent brain parenchyma after solid brain tumors have formed.
Results
All mice had visible tumor take four days after the intracranial tumor cell injection, and rapid growth of solitary lesions was seen in the following days. No toxicities mediated by intracranially injected EpCAMCAR T-cells were encountered. In mice treated with EpCAMCAR T-cells, we initially observed substantial CAR T-cell accumulation within the tumor compared to controls (median number: 1700 versus 939 cells/mm2; p = 0.007). This was paralleled by lower velocities of EpCAMCAR T-cells, characterizing T-cell receptor (TCR)-mediated antitumor cytotoxicity due to long-lasting contacts between effector immune cells and tumor cells. Consequently, treatment with EpCAMCAR T-cells resulted in reduced tumorous growth as determined per in vivo microscopy (median tumor area on day 10: 1.8 versus 10.8 mm2; p = 0.001) and immunohistochemistry of excised brains (median tumor volume on day 10: 3.6 versus 33.2 mm3; p = 0.001). However, the number of EpCAM-directed CAR T-cells within the tumor markedly decreased during the observation period, pointing towards insufficient persistence of EpCAM-directed CAR T-cells. In line with these findings, survival was prolonged in mice receiving EpCAMCAR T-cells but long-lasting remission was rare (median survival: 15 versus 13 days; p = 0.012).
Conclusion
Our findings indicate that CAR T-cells injected into the cerebral parenchyma may induce relevant anti-tumor effects in brain metastases from lung cancer. Due to the translational nature of our study, prospective clinical cohorts appear warranted. Strategies improving the intratumoral persistence of CAR T-cells in brain metastases may be utilized to further boost the success of such promising therapy.
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Affiliation(s)
- T Xu
- The first authors contributed equally , Munich , Germany
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
| | - P Karschnia
- The first authors contributed equally , Munich , Germany
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
- German Cancer Consortium (DKTK), Partner Site Munich , Munich , Germany
| | - B Cadilha
- The first authors contributed equally , Munich , Germany
- Department of Medicine IV, Division of Clinical Pharmacology and Center of Integrated Protein Science Munich , Munich , Germany
| | - S Dede
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
| | - M Lorenz
- Department of Medicine I, Ludwig-Maximilians-University Munich , Munich , Germany
| | - N Seewaldt
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
| | - E Nikolaishvili
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
| | - K Müller
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
| | - J Blobner
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
- German Cancer Consortium (DKTK), Partner Site Munich , Munich , Germany
| | - N Teske
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
| | - S Langer
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
| | - H Obeck
- Department of Medicine IV, Division of Clinical Pharmacology and Center of Integrated Protein Science Munich , Munich , Germany
| | - T Lorenzini
- Department of Medicine IV, Division of Clinical Pharmacology and Center of Integrated Protein Science Munich , Munich , Germany
| | - M Mulazzani
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
| | - W Zhang
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
| | - H Ishikawa-Ankerhold
- Department of Medicine I, Ludwig-Maximilians-University Munich , Munich , Germany
| | - V R Buchholz
- Institute for Medical Microbiology, Immunology and Hygiene, Technische Universität Muenchen (TUM) , Munich , Germany
| | - M Subklewe
- Department of Medicine III, Ludwig-Maximilians-University Munich , Munich , Germany
| | - N Thon
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
- German Cancer Consortium (DKTK), Partner Site Munich , Munich , Germany
| | - A Straube
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
| | - J Tonn
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
- German Cancer Consortium (DKTK), Partner Site Munich , Munich , Germany
| | - S Kobold
- Department of Medicine IV, Division of Clinical Pharmacology and Center of Integrated Protein Science Munich, Ludwig-Maximilians-University Munich , Munich , Germany
- The senior authors contributed equally , Munich , Germany
| | - L von Baumgarten
- Department of Neurology, Ludwig-Maximilians-University Munich , Munich , Germany
- Department of Neurosurgery, Ludwig-Maximilians-University Munich , Munich , Germany
- The senior authors contributed equally , Munich , Germany
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Urut F, Dede S, Yuksek V, Cetin S, Usta A, Taspinar M. Correction to: In Vitro Evaluation of the Apoptotic, Autophagic, and Necrotic Molecular Pathways of Fluoride. Biol Trace Elem Res 2021; 199:4385. [PMID: 33974193 DOI: 10.1007/s12011-020-02554-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- F Urut
- Biochemistry Department, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - S Dede
- Biochemistry Department, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, 65090, Van, Turkey.
| | - V Yuksek
- Özalp Regional High School, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - S Cetin
- Biochemistry Department, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - A Usta
- Chemistry Department, Science Faculty, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - M Taspinar
- Medical Biology Department, Medical Faculty, Aksaray University, Aksaray, Turkey
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Urut F, Dede S, Yuksek V, Cetin S, Usta A, Taspinar M. In Vitro Evaluation of the Apoptotic, Autophagic, and Necrotic Molecular Pathways of Fluoride. Biol Trace Elem Res 2021; 199:3700-3706. [PMID: 33200396 DOI: 10.1007/s12011-020-02491-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 11/09/2020] [Indexed: 01/16/2023]
Abstract
Prolonged exposure to high doses of fluoride causes chronic poisoning called fluorosis, which affects many tissues and causes serious health problems. This study was planned to investigate the apoptotic, autophagic, and necrotic molecular pathways of fluoride. Sodium fluoride (NaF) was administered to normal rat kidney epithelial (NRK-52E) cells. The NaF IC50 value was determined using the MTT assay. The expression of the genes in the autophagic, apoptotic, and necrotic pathways was determined by real-time PCR. It was determined that there were significant changes in NaF-induced molecular pathways depending on the time. There were no increases in apoptotic and necrotic pathway markers except for Atg3, an autophagy gene, at the 3rd and the 12th hours. However, there was an induction in all cell death signaling pathways at 24 h. The molecular mechanisms demonstrated NaF-induced cellular death in the NRK-52E cell line. It was concluded that these molecular mechanisms were activated with NaF, and different mechanisms accelerated the cellular death at the 24th hour.
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Affiliation(s)
- F Urut
- Biochemistry Department, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - S Dede
- Biochemistry Department, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, 65090, Van, Turkey.
| | - V Yuksek
- Özalp Regional High School, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - S Cetin
- Biochemistry Department, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - A Usta
- Chemistry Department, Science Faculty, Van Yuzuncu Yil University, 65090, Van, Turkey
| | - M Taspinar
- Medical Biology Department, Medical Faculty, Aksaray University, Aksaray, Turkey
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Affiliation(s)
- S. Dede
- Department of Food Engineering, Faculty of Agricultural, Mustafa Kemal University, Hatay, 31000. Turkey
| | - F. Lokumcu Altay
- Department of Food Engineering, Faculty of Chemical and Metallurgical, Istanbul Technical University, Istanbul, 34469. Turkey
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Bingol NT, Dede S, Karsli MA, Değer Y, Kılınç KD, Kiliçalp S. Effects of the Replacement of Soybean Meal with Pea as Dietary Protein Source on the Serum Protein Fractions of Broilers. Rev Bras Cienc Avic 2016. [DOI: 10.1590/1806-9061-2016-0270] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
| | - S Dede
- Yuzuncu Yil University, Turkey
| | | | - Y Değer
- Yuzuncu Yil University, Turkey
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Kiykac Altinbas S, Dilbaz B, Zengin T, Kilic S, Cakir L, Sengul O, Dede S. Evaluation of pain during hysterosalpingography with the use of balloon catheter vs metal cannula. J OBSTET GYNAECOL 2014; 35:193-8. [PMID: 25141095 DOI: 10.3109/01443615.2014.948400] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Our aim was to investigate the use of a balloon catheter device in comparison with metal cannula for hysterosalpingography (HSG) in terms of patient comfort. A total of 168 patients were randomised for HSG either with a balloon catheter (n = 83) or metal cannula (n = 85). Scores of pelvic pain during insertion of the devices, injection of the contrast medium and 1 h after the procedure were evaluated using the Wong Baker Faces Pain Rating Scale; complications and reinsertion rates were also noted. The pain scores were significantly lower in the balloon catheter group (p < 0.001). The reinsertion rate of metal cannula was higher (8.2% vs 2.4%) as well as the incidence of nausea being the most common short-term adverse effect (14.1% vs 1.2%) in the metal cannula group (p = 0.002). Performing HSG with a balloon catheter is advantageous for decreasing the pain and side-effects related to the procedure, when compared with the use of a metal cannula.
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Affiliation(s)
- S Kiykac Altinbas
- Department of Obstetrics and Gynecology, Etlik Zubeyde Hanim Women's Health Training and Research Hospital
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Affiliation(s)
- B Dilbaz
- Etlik Zübeyde Hanım Women's Health Teaching and Research Hospital , Ankara , Turkey
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Yûrük I, Tanritanir P, Dede S, Ceylan E, Ragbetli C. Antioxidant vitamins and microminerals in cows with foot-and-mouth disease. INDIAN J ANIM RES 2014. [DOI: 10.5958/0976-0555.2014.00037.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Şengül Ö, Dilbaz B, Kavak D, Dede S, Yerebasmaz N, Altinbaş Ş. Surgical management of extrauterine mislocated intrauterine contraceptive devices and related risks. J OBSTET GYNAECOL 2013; 34:70-3. [DOI: 10.3109/01443615.2013.831047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Demir B, Dilbaz S, Cinar O, Ozdegirmenci O, Dede S, Goktolga U. Estradiol supplementation in intracytoplasmic sperm injection cycles with thin endometrium. Fertil Steril 2010. [DOI: 10.1016/j.fertnstert.2010.07.703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Kilicalp D, Dede S, Deger Y, Aslan L. Effects of Green Tea on Mineral Levels of Liver and Testis of Guinea Pigs Electromagnetic Field Emitted by Mobil Phones. ACTA ACUST UNITED AC 2009. [DOI: 10.3923/ajava.2009.86.92] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ceylan E, Dede S, Deger Y, Yoruk I. Investigation of the Effects of Carrying Heavy Load on Prooxidation/
Antioxidant Status and Vitamin D3 in Healthy Horses. ACTA ACUST UNITED AC 2008. [DOI: 10.3923/ajava.2009.41.46] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kilicalp D, Dede S, Belge F, Tatar M. Effect of protein deficiency on macroelement and trace element levels of weanling rats' small intestine and liver tissues. Biol Trace Elem Res 2005; 107:255-61. [PMID: 16286681 DOI: 10.1385/bter:107:3:255] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2004] [Revised: 12/14/2004] [Accepted: 01/15/2004] [Indexed: 11/11/2022]
Abstract
Protein energy malnutrition has become a major health issue in developing countries. In the present study, the effect of protein deficiency on the small intestine and liver tissue content of macroelements and trace elements was investigated in weanling rats. Forty-five male weanling Wistar albino rats were divided into three groups. The control group (C) was fed a standard diet containing 25% casein, whereas the two experimental groups E1 and E2 consumed 12% and 3% casein, respectively, over a period of 45 d. The tissue samples were analyzed for zinc, copper, iron, manganese, calcium, and magnesium by atomic absorption spectroscopy. The protein-deficient groups showed increased levels of iron in both tissues and decreased manganese in small intestine tissue from the E1 group. No other differences were found for the other elements. These results suggest that protein deficiency might cause iron accumulation in the liver and intestine and decreases of manganese in the small intestine.
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Affiliation(s)
- D Kilicalp
- Department of Physiology, Faculty of Veterinary Medicine, University of Yuzuncu Yil, 65080 Van, Turkey
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Petri E, Niemeyer R, Petri E, Niemeyer R, Sivaslioglu AA, Haberal A, Dölen I, Dede H, Akkök E, Deveci S, Demir B, Aksakal O, Ugur M, Yilmaz B, Yesilyurt H, Mollamahmutoglu L, Sivaslioglu AA, Elhan A, Sakul U, Dölen I, Tunc E, Ercan F, Haberal A, Aksakal O, Tuncay G, Aytan H, Tapisiz OL, Bilge U, Mollamahmutoglu L, Aksakal O, Tuncay G, Bal S, Bilge U, Tapisiz OL, Mollamahmutoglu L, Unlu S, Aksakal O, Tapisiz OL, Tuncay G, Aytan H, Ugur M, Bilge U, Mollamahmutoglu L, Yasar L, Yazicioglu F, Efe C, Sönmez S, Zebitay AG, Süt N, Sensoy Y, Cebi Z, Bayrak O, Cimentepe E, Gümüs II, Dede H, Sivaslioglu A, Dolen I, Dede FS, Seckin L, Haberal A, Sivaslioglu AA, Dolen I, Dede H, Dilbaz S, Demir B, Sümer C, Gelisen O, Unlubilgin E, Deveci S, Dede S, Seckin L, Haberal A, Dönmez MD, Atis A, Aydin Y, Tandogan T, Ozpak D, Oruc O, Aksakal OS, Doganay M, Aytan H, Gungor T, Bal S, Bilge U, Mollamahmutoglu L, Ozdegirmenci O, Dede FS, Haberal A, Karslioglu Y, Karadeniz S, Gunhan O. Urogynecology. Arch Gynecol Obstet 2005. [DOI: 10.1007/bf02954774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Deger Y, Dede S, Belge A, Mert N, Kahraman T, Alkan M. Effects of X-ray radiation on lipid peroxidation and antioxidant systems in rabbits treated with antioxidant compounds. Biol Trace Elem Res 2003; 94:149-56. [PMID: 12958406 DOI: 10.1385/bter:94:2:149] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2002] [Accepted: 11/10/2002] [Indexed: 11/11/2022]
Abstract
The aim of this study was to investigate the effects of supplemental antioxidant vitamins and minerals on lipid peroxidation and on the antioxidant systems in rabbits exposed to X-rays. The rabbits were divided into two experimental groups and one control group, each group containing seven rabbits. The first group (VG) received daily oral doses of vitamin E (460 mg/kg live weight) and vitamin C (100 mg/kg live weight). The second group (MG) was fed a mineral-enriched diet that contained 60 mg manganese chloride, 40 mg zinc sulfate, and 5 mg copper sulfate per kilogram of feed. The third group served as controls and received only a standard diet. Blood samples were obtained before and after the supplementation with vitamins or minerals, as well as before and after irradiation with a total dose of 550-rad X-rays. The blood samples were analyzed for their content of malondialdehyde (MDA), plasma vitamins C and E, retinol, reduced glutathione (GSH), and glutathione peroxidase activity (GPx). After irradiation, the control group showed increased levels of MDA and activity of GPx (p<0.05), whereas the levels of GSH, vitamin C, and vitamin E were decreased. In the VG, the concentration of MDA was lower (p<0.05), and the concentration of GSH and vitamins C and E were higher (p<0.05) when compared to controls. In the MG, the concentrations of MDA, GSH, vitamin C, and retinol were not affected by the mineral administration and radiation. The level of vitamin E in the MG increased with mineral administration (p<0.05), but decreased after irradiation (p<0.05). For the control group, the level of GSH was higher than in the two experimental groups. After irradiation, the VG animals had vitamin E and C levels that were higher than in MG and control groups (p<0.05). The activity of GPx was not affected by vitamin or mineral supplementation or by irradiation. We conclude that the supplementation with antioxidant vitamins and minerals may serve to reinforce the antioxidant systems, thus having a protective effect against cell damage by X-rays.
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Affiliation(s)
- Y Deger
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Yuzuncu Yil, Van, Turkey
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Kanter M, Meral I, Dede S, Gunduz H, Cemek M, Ozbek H, Uygan I. Effects of Nigella sativa L. and Urtica dioica L. on Lipid Peroxidation, Antioxidant Enzyme Systems and Some Liver Enzymes in CCl4-Treated Rats. ACTA ACUST UNITED AC 2003; 50:264-8. [PMID: 14567515 DOI: 10.1046/j.1439-0442.2003.00537.x] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This study was designed to investigate the effects Nigella sativa L. (NS) and Urtica dioica L. (UD) on lipid peroxidation, antioxidant enzyme systems and some liver enzymes in carbon tetrachloride (CCl4)-treated rats. A total of 60 healthy male Sprague-Dawley rats were utilized in this study. The rats were randomly allotted into one of four experimental groups: A (CCl4-only treated), B (CCl4 + UD treated), C (CCl4 + NS treated) and D (CCl4 + UD + NS treated), each containing 15 animals. All groups received CCl4 [0.8 ml/kg of body weight, subcutaneously, twice a week for 90 days starting day 1]. In addition, B, C and D groups also received daily intraperitoneal injections of 0.2 ml/kg NS or/and 2 ml/kg UD oils for 45 days starting day 46. Group A, on the other hand, received only 2 ml/kg normal saline solution for 45 days starting day 46. Blood samples for the biochemical analysis were taken by cardiac puncture from five randomly chosen rats in each treatment group at beginning, at 45th and at 90th day of the experiment. The CCl4 treatment for 45 days increased the lipid peroxidation and liver enzymes, and also decreased the antioxidant enzyme levels. NS or UD treatments (alone or combination) for 45 days starting day 46 decreased the elevated lipid peroxidation and liver enzyme levels and also increased the reduced antioxidant enzyme levels. Live weights of the rats decreased in group A, and increased in groups B, C and D. It is concluded that NS and UD decrease the lipid peroxidation and liver enzymes, and increase the antioxidant defence system activity in the CCl4-treated rats.
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Affiliation(s)
- M Kanter
- Faculty of Veterinary Medicine, Van, Turkey.
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Dede S, Deger Y, Mert N, Kahraman T, Alkan M, Keles I. Studies on the effects of x-ray on erythrocyte zinc and copper concentrations in rabbits after treatment with antioxidants. Biol Trace Elem Res 2003; 92:55-60. [PMID: 12721404 DOI: 10.1385/bter:92:1:55] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The aim of this study was to investigate the effect of supplemental antioxidant vitamins and minerals on the erythrocyte concentrations of zinc and copper in rabbits after exposure to X-rays. The animals were divided into two experimental and one control group (CG). The first group (VG) was given daily oral doses of vitamins E and C; supplemental amounts of manganese, zinc, and copper were mixed with the feed and given to the second group of experimental animals (MG). Blood samples were taken from all groups before and after 4 wk of vitamin and mineral administration and after irradiation with a total dose of 550-rad X-rays. The administration of minerals caused the most significant increases of Zn and Cu. Even after irradiation, the zinc levels in the irradiated animals were higher than in the nonirradiated vitamin-supplemented animals (p<0.05). The results suggest that supplementation with antioxidant vitamins and minerals may have a protective effect against X-ray-induced damage.
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Affiliation(s)
- S Dede
- Department of Biochemistry, University of Yuzuncu Yil, Van 65080 Turkey
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Gündüz H, Dede S, Agaoglu ZT, Atasoy N, Mert N. Serum trace elements status of rabbits supplemented with Nigella sativa, vitamins C and E, and selenium against damage by N-methyl-N'-nitro-N-nitrosoguanidine. Biol Trace Elem Res 2002; 89:65-73. [PMID: 12413052 DOI: 10.1385/bter:89:1:65] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2001] [Revised: 12/20/2001] [Accepted: 02/03/2002] [Indexed: 11/11/2022]
Abstract
In this study, we investigated the effects of Nigella sativa, vitamins C and E, and selenium on the levels of trace elements in the serum of N-methyl-N'-nitro-N-nitrosoguanidine (MNNG)-injected rabbits. The rabbits were separated into one control and three experimental groups, each consisting of eight rabbits. MNNG was administered to all rabbits at a dose of 20 mg/kg. Group A received a suspension of N. sativa, group B received a combination of vitamins C and E and selenium, and group C received MNNG without any additional treatment. Group D did not receive any treatment and acted as control. The concentrations of serum zinc, copper, and iron were determined for groups A, B, C, and D. The zinc levels were 155.3+/-25.8, 304.7+/-14.22, 117.2+/-27.9, and 87.0+/-8 ng/dL for groups A-D, respectively; copper was measured at 234.8+/-31.9, 214.3+/-14.2, 196.5+/-19.3, and 359.2+/-19.9 ng/dL and iron levels were 276.3+/-10.71, 260.8+/-7.15, 211.2+/-13.47, and 223.4+/-9.5 ng/dL, in the stated group order. There were statistically significant differences between groups (p<0.05). The results obtained in this work may be of use for monitoring and preventing the nocive effects of N-methyl-N'-nitro-N-nitrosoguanidine and similar carcinogens.
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Affiliation(s)
- H Gündüz
- School of Health Science, Faculty of Veterinary Medicine, University of Yuzuncu Yil, Van, Turkey
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Dede S, Deger Y, Meral I. Effect of short-term hypothermia on lipid peroxidation and antioxidant enzyme activity in rats. J Vet Med A Physiol Pathol Clin Med 2002; 49:286-8. [PMID: 12227469 DOI: 10.1046/j.1439-0442.2002.00449.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
This experiment was carried out to determine the effect of short-term hypothermia on blood malondialdehyde (MDA), glutathione (GSH), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and glucose-6-phosphate dehydrogenase (G-6-PD) concentrations in rats. Twenty Sprague-Dawley rats were used weighing 180-200 g and on average 3.5 months old. They were randomly divided into two experimental groups: control (without cooling) and hypothermic (with cooling). The rats of the hypothermic group were cooled by immersion into cold water (10-12 degrees C), and the control rats were immersed into water of body temperature (37 degrees C) up to the neck without using any anaesthetic or tranquilizer for 3 min Rectal body temperatures of both groups were measured and blood samples to analyse MDA, GSH, SOD, GSH, GSH-Px and G-6-PD were collected immediately after the treatment. It was found that the MDA level was higher and the GSH and G-6-PD levels were lower in the hypothermic group than those in the controls. There was no difference between the control or hypothermic group regarding SOD or GSH-Px levels. It is concluded that acute hypothermia increased the lipid peroxidation and decreased the GSH and G-6-PD levels in rats.
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Affiliation(s)
- S Dede
- Yuzuncu Yil Universitesi, Veteriner Fakultesi, Biyokimya Anabilim Dali, Van, Turkey.
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Abstract
The purpose of this study was to investigate changes in serum concentration of copper, zinc, and calcium in sheep naturally infested with lice (Bovicola caprae, Linognathus africanus, Linognatus ovillus, and Linognattus pedalis). Twenty sheep naturally infested with lice and 20 healthy sheep were used as subjects. Blood samples were collected from the sheep before and 8 and 15 d after treatment with Avermectin, a veterinary antiparasitic drug. The samples were analyzed for their serum copper, zinc, and calcium concentrations by atomic absorption spectrometry. The concentrations of these elements in the infested animals were lower than in the healthy controls, mainly because the general condition of the affected sheep was poor. When the infested animals were treated with an ectoparasitic drug, the serum levels of the studied elements rose to normal ranges while the health of the animals improved.
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Affiliation(s)
- Y Deger
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Yuzuncu Yil, Van, Turkey
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